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Date:   Tue, 25 Jan 2022 15:11:48 +0100
From:   Takashi Iwai <tiwai@...e.de>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc:     "Geoffrey D. Bennett" <g@...vu>, Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH v2][next] ALSA: usb-audio: scarlett2: Use struct_size() helper in scarlett2_usb()

On Thu, 20 Jan 2022 22:16:00 +0100,
Gustavo A. R. Silva wrote:
> 
> Make use of the struct_size() helper instead of an open-coded version,
> in order to avoid any potential type mistakes or integer overflows that,
> in the worst scenario, could lead to heap overflows.
> 
> Also, address the following sparse warnings:
> sound/usb/mixer_scarlett_gen2.c:1064:28: warning: using sizeof on a flexible structure
> sound/usb/mixer_scarlett_gen2.c:1065:29: warning: using sizeof on a flexible structure
> 
> Link: https://github.com/KSPP/linux/issues/174
> Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
> ---
> Changes in v2:
>  - Use correct format specifier %zu for type size_t argument.

Applied now.  Thanks.


Takashi

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